public static DistanceClass GetDistanceClass(EDDiscovery2.DB.ISystem s1, EDDiscovery2.DB.ISystem s2)
{
if (s1 == null || s2 == null)
{
return(null);
}
try
{
using (SQLiteConnectionED cn = new SQLiteConnectionED())
{
using (DbCommand cmd = cn.CreateCommand("SELECT * FROM Distances WHERE (NameA = @NameA and NameB = @NameB) OR (NameA = @NameB and NameB = @NameA) limit 1"))
{
cmd.AddParameterWithValue("@NameA", s1.name);
cmd.AddParameterWithValue("@NameB", s2.name);
DataSet ds = SQLiteDBClass.SQLQueryText(cn, cmd);
if (ds.Tables.Count > 0 && ds.Tables[0].Rows.Count > 0) // if found.
{
DistanceClass dist = new DistanceClass(ds.Tables[0].Rows[0]);
return(dist);
}
}
}
}
catch (Exception ex)
{
System.Diagnostics.Trace.WriteLine("Exception : " + ex.Message);
System.Diagnostics.Trace.WriteLine(ex.StackTrace);
}
return(null);
}
private void UpdateTo(bool updatename)
{
changesilence = true;
if (textBox_To.ReadOnly == false) // if entering system name..
{
EDDiscovery2.DB.ISystem ds1 = SystemClass.GetSystem(SystemNameOnly(textBox_To.Text));
if (ds1 != null)
{
if (updatename) // can't fix it as you type.. so leave alone
{
textBox_To.Text = ds1.name;
}
textBox_ToX.Text = ds1.x.ToString("0.00");
textBox_ToY.Text = ds1.y.ToString("0.00");
textBox_ToZ.Text = ds1.z.ToString("0.00");
}
else
{
textBox_ToX.Text = textBox_ToY.Text = textBox_ToZ.Text = "";
}
}
else // Co-ords..
{
string res = "";
Point3D curpos;
if (GetCoordsTo(out curpos))
{
ISystem nearest = SystemClass.FindNearestSystem(curpos.X, curpos.Y, curpos.Z);
if (nearest != null)
{
double distance = Point3D.DistanceBetween(curpos, new Point3D(nearest.x, nearest.y, nearest.z));
if (distance < 0.1)
{
res = nearest.name;
}
else
{
res = nearest.name + " @ " + distance.ToString("0.00") + "ly";
}
}
}
textBox_To.Text = res;
}
UpdateDistance();
changesilence = false;
button_Route.Enabled = IsValid();
}
private void UpdateFrom(bool updatename)
{
changesilence = true;
if (textBox_From.ReadOnly == false) // if entering system name..
{
EDDiscovery2.DB.ISystem ds1 = SystemData.GetSystem(SystemNameOnly(textBox_From.Text));
if (ds1 != null)
{
if (updatename) // can't fix it as you type.. so leave alone
{
textBox_From.Text = ds1.name;
}
textBox_FromX.Text = ds1.x.ToString("0.00");
textBox_FromY.Text = ds1.y.ToString("0.00");
textBox_FromZ.Text = ds1.z.ToString("0.00");
}
else
{
textBox_FromX.Text = textBox_FromY.Text = textBox_FromZ.Text = "";
}
}
else
{
string res = "";
Point3D curpos;
if (GetCoordsFrom(out curpos))
{
SystemClass nearest;
double distance;
FindNearestSystem(curpos, out nearest, out distance);
if (distance < 0.1)
{
res = nearest.name;
}
else
{
res = nearest.name + " @ " + distance.ToString("0.00") + "ly";
}
}
textBox_From.Text = res;
}
UpdateDistance();
changesilence = false;
button_Route.Enabled = IsValid();
}
public static double FindDistance(EDDiscovery2.DB.ISystem s1, EDDiscovery2.DB.ISystem s2)
{
DistanceClass dst = GetDistanceClass(s1, s2);
return((dst == null) ? -1 : dst.Dist);
}
